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r160380 - in /trunk/gcc: ChangeLog cgraph.c ipa...


Author: hubicka
Date: Mon Jun  7 15:33:34 2010
New Revision: 160380

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=160380
Log:
	* cgraph.c (cgraph_edge_cannot_lead_to_return): Also check
	if caller is noreturn.
	* ipa-reference.c (analyze_function): Use ipa_ref_cannot_lead_to_return
	* ipa-ref.h (ipa_ref_cannot_lead_to_return): New function.
	* ipa-ref.c (ipa_ref_cannot_lead_to_return): New function.
	* ipa-pure-const.c (check_decl): Add IPA parameter.
	(state_from_flags): New function.
	(better_state, worse_state): New functions.
	(check_call): When in IPA mode, do not care about callees.
	(check_load, check_store): Update.
	(check_ipa_load, check_ipa_store): New.
	(check_stmt): When in IPA mode, use IPA checkers.
	(analyze_function): Use state_from_flags.
	(propagate): Check indirect edges and references.

Added:
    trunk/gcc/testsuite/gcc.dg/ipa/pure-const-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraph.c
    trunk/gcc/ipa-pure-const.c
    trunk/gcc/ipa-ref.c
    trunk/gcc/ipa-ref.h
    trunk/gcc/ipa-reference.c
    trunk/gcc/ipa.c
    trunk/gcc/testsuite/ChangeLog


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